/* * Empire - A multi-player, client/server Internet based war game. * Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak, * Ken Stevens, Steve McClure * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * --- * * See files README, COPYING and CREDITS in the root of the source * tree for related information and legal notices. It is expected * that future projects/authors will amend these files as needed. * * --- * * land.h: Definitions for land units * * Known contributors to this file: * Thomas Ruschak, 1992 * Ken Stevens, 1995 * Steve McClure, 1998 * Markus Armbruster, 2004-2009 */ #ifndef LAND_H #define LAND_H #include #include "item.h" #include "queue.h" #include "retreat.h" #include "types.h" #define LND_TYPE_MAX 30 #define LAND_MINEFF 10 #define LAND_MINFIREEFF 40 /* arty must be this effic to fire */ struct lndstr { /* initial part must match struct empobj */ signed ef_type: 8; unsigned lnd_seqno: 12; unsigned lnd_generation: 12; int lnd_uid; /* unit id (land #) */ time_t lnd_timestamp; /* Last time this unit was touched */ natid lnd_own; /* owner's country num */ coord lnd_x; /* x location in abs coords */ coord lnd_y; /* y location in abs coords */ signed char lnd_type; /* index in lchr[] */ signed char lnd_effic; /* 0% to 100% */ signed char lnd_mobil; /* mobility units */ unsigned char lnd_off; /* repairs stopped? */ short lnd_tech; /* tech level ship was built at */ char lnd_army; /* group membership */ coord lnd_opx, lnd_opy; /* Op sector coords */ short lnd_mission; /* mission code */ short lnd_radius; /* mission radius */ /* end of part matching struct empobj */ int lnd_ship; /* uid of transporting ship, or -1 */ signed char lnd_harden; /* fortification */ short lnd_retreat; /* retreat percentage */ int lnd_rflags; /* When do I retreat? */ char lnd_rpath[RET_LEN]; /* retreat path */ unsigned char lnd_scar; /* how experienced the unit is (not used) */ short lnd_item[I_MAX+1]; /* amount of items on board */ short lnd_pstage; /* plague stage */ short lnd_ptime; /* how many etus remain in this stage */ int lnd_land; /* uid of transporting land unit, or -1 */ short lnd_access; /* Last tick mob was updated (MOB_ACCESS) */ }; struct lchrstr { short l_item[I_MAX+1]; /* load limit */ char *l_name; /* full name of type of land unit */ int l_lcm; /* units of lcm to build */ int l_hcm; /* units of hcm to build */ int l_mil; /* how many mil it takes to build (unused) */ int l_gun; /* how many guns it takes to build (unused) */ int l_shell; /* #shells it takes to build (unused) */ int l_tech; /* tech required to build */ int l_cost; /* how much it costs to build */ float l_att; /* attack multiplier */ float l_def; /* defense multiplier */ int l_vul; /* vulnerability (0-100) */ int l_spd; /* speed */ int l_vis; /* visibility */ int l_spy; /* Seeing distance */ int l_rad; /* reaction radius */ int l_frg; /* firing range */ int l_acc; /* firing accuracy */ int l_dam; /* # of guns firing */ int l_ammo; /* firing ammu used per shot */ int l_aaf; /* aa fire */ unsigned char l_nxlight; /* maximum number of xlight planes */ unsigned char l_nland; /* maximum number of units */ signed char l_type; /* index in lchr[] */ long l_flags; /* what special things can this unit do */ }; /* Land unit ability flags */ #define L_ENGINEER bit(1) /* Do engineering things */ #define L_SUPPLY bit(2) /* supply other units/sects */ #define L_SECURITY bit(3) /* anti-terrorist troops */ #define L_LIGHT bit(4) /* can go on ships */ #define L_MARINE bit(5) /* marine units, good at assaulting */ #define L_RECON bit(6) /* recon units, good at spying */ #define L_RADAR bit(7) /* radar unit */ #define L_ASSAULT bit(8) /* can assault */ #define L_FLAK bit(9) /* flak unit */ #define L_SPY bit(10) /* spy unit - way cool */ #define L_TRAIN bit(11) /* train unit - neato */ #define L_HEAVY bit(12) /* heavy unit - can't go on trains */ /* Work required for building 100% */ #define LND_BLD_WORK(lcm, hcm) (20 + (lcm) + 2 * (hcm)) /* Chance to detect L_SPY unit (percent) */ #define LND_SPY_DETECT_CHANCE(eff) ((110-(eff))/100.0) #define getland(n, p) ef_read(EF_LAND, (n), (p)) #define putland(n, p) ef_write(EF_LAND, (n), (p)) #define getlandp(n) ((struct lndstr *)ef_ptr(EF_LAND, (n))) extern struct lchrstr lchr[LND_TYPE_MAX + 2]; enum { LND_AIROPS_EFF = 50 /* min. efficiency for air ops */ }; extern float l_att(struct lchrstr *, int); extern float l_def(struct lchrstr *, int); extern int l_vul(struct lchrstr *, int); extern int l_spd(struct lchrstr *, int); extern int l_frg(struct lchrstr *, int); extern int l_acc(struct lchrstr *, int); extern int l_dam(struct lchrstr *, int); extern int l_aaf(struct lchrstr *, int); extern float lnd_att(struct lndstr *); extern float lnd_def(struct lndstr *); extern int lnd_vul(struct lndstr *); extern int lnd_spd(struct lndstr *); extern int lnd_vis(struct lndstr *); extern int lnd_frg(struct lndstr *); extern int lnd_acc(struct lndstr *); extern int lnd_dam(struct lndstr *); extern int lnd_aaf(struct lndstr *); /* src/lib/common/cargo.c */ extern void lnd_carrier_change(struct lndstr *, int, int, int); extern int lnd_first_on_ship(struct shpstr *); extern int lnd_first_on_land(struct lndstr *); extern int lnd_next_on_unit(int); extern int lnd_nxlight(struct lndstr *); extern int lnd_nland(struct lndstr *); extern int lnd_fire(struct lndstr *); extern int lnd_sabo(struct lndstr *, short *); extern double lnd_fire_range(struct lndstr *); /* src/lib/subs/lndsub.c */ extern void lnd_sweep(struct emp_qelem *, int, int, natid); extern int lnd_interdict(struct emp_qelem *, coord, coord, natid); extern void lnd_sel(struct nstr_item *, struct emp_qelem *); extern int lnd_check_mines(struct emp_qelem *); extern double lnd_pathcost(struct lndstr *, double); extern int lnd_mobtype(struct lndstr *); extern double lnd_mobcost(struct lndstr *, struct sctstr *); extern double attack_val(int, struct lndstr *); extern double defense_val(struct lndstr *); extern int lnd_reaction_range(struct lndstr *); extern void lnd_print(struct ulist *, char *); extern void lnd_delete(struct ulist *, char *); extern int lnd_take_casualty(int, struct ulist *, int); extern void lnd_submil(struct lndstr *, int); extern void lnd_takemob(struct emp_qelem *, double); extern int lnd_spyval(struct lndstr *); extern void intelligence_report(int, struct lndstr *, int, char *); extern void lnd_mar(struct emp_qelem *, double *, double *, int *, natid); extern int lnd_hardtarget(struct lndstr *); extern int lnd_mar_one_sector(struct emp_qelem *, int, natid, int); extern int lnd_support(natid, natid, coord, coord, int); extern int lnd_can_attack(struct lndstr *); extern int lnd_fortify (struct lndstr *lp, int hard_amt); extern void lnd_set_tech(struct lndstr *, int); #endif